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Author Topic: 120mm or 80mm?  (Read 1423 times)

kaffine

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120mm or 80mm?
« on: April 24, 2004, 09:32:29 PM »

So, I am looking into buying a new case.  I am currently using a Antec SOHO server case(The design that Cheiftec and Chenbro took), and I really, REALLY like it.  The only problem I have with it is, that it is f***ing noisy.  I have 2 80mm intake fans, 2 80mm exaust fans, 2 80mm PSU fans, 1 70mm CPU heatsink fan, 1 tiny Northbridge fan and 1 tiny GPU fan.  I am thinking that if I got a case with 1 120mm intake and 1 120mm exaust, it would reduce sound when I need it to, and increase airflow when I want it too(I am thinking of those new white SilverStone Fans...mmmmmm...17dB on low and 103CFM on high).  http://www.atruereview.com/fmc3xw/index.php

I have narrowed down my search to 2 cases.  I'm kind of on a tight budget though.  Both are Antec.  One is the same case I have now, without a PSU.  http://www.provantage.com/buy-22061577-antec-cases-var-series-case-enclosures-shopping.htm
The other one I am looking at is the antec SLK3700AMB.
http://www.provantage.com/buy-7ANTG01W-antec-cases-slk3700amb-11-bay-mid-tower-w-350-watt-p-metallic-bronze-shopping.htm
I really like the SLK3700amb, but it is more expensive, and I would need
to buy new fans, but I would proably do that anyway.

I just found a deal at TigerDirect, I know that they are hit and miss, but its the same SOHO server case(albiet Cheiftec) for $20 after rebate (!!)
http://www.tigerdirect.com/applications/searchtools/item-Details.asp?EdpNo=513720&sku=MTX-GNS-UF


Any advice on the advantages of 120mm over 80mm?
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KoRn Addict

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120mm or 80mm?
« Reply #1 on: April 24, 2004, 11:18:22 PM »

well, for one thing, the only reason people used 80mm fans in the firstplace was because they fit in so many more places, so naturally there are disadvantages to the 80mm, mainly the fact that a 120mm fan doesnt have to spin as fast to move the same amount of air, so basically you end up with a fan thats either quieter and same cfm or a fan with same volume, yet pushing a lot more cfm

in short, wherever you can, put in 120mm fans instead of multiple 80mm

also, as a tip, SVC offers the best prices on fans on the 'net
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computerfreke911

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120mm or 80mm?
« Reply #2 on: April 25, 2004, 12:33:11 AM »

Always use bigger fans whenever possible.

Korn, I disagree with your SVC bit, I think Nexfan.com has the cheapest fans. SVC in my opinion has the largest selection though.

Note that SVC is notorious for having problems. I had a bad expierience with them on a big order but some other smaller orders have gone through with no pain. I just ordred an ALX-800 from them and they charged me $999.00 for shipping, but that isn't a pain to fix.
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Hak Foo

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120mm or 80mm?
« Reply #3 on: April 25, 2004, 12:41:18 AM »

Go with larger fans.

I outfitted my old tower with a pair of the highest-output large fans I could get.  At full voltage, 120cfm.  Sounded like the turbocharger on an SD70 spinning up, but it would literally blow off items from a bulletin board about 10cm behind case.

With reduced voltage, whoosh remained from massive air, but no scream.  I reccomend it.  (I wish I could so equip my little desktop case)
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ExcalibuR

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Bigger Is Better
« Reply #4 on: April 25, 2004, 01:27:23 AM »

Bigger Is Always Better , in my experience ,

Fans which are low in noise and and spins fast are great. One brand i DONT reccomend is , AIDEC extremely loud !!!
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Cyrix_2k

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120mm or 80mm?
« Reply #5 on: May 19, 2004, 08:37:39 PM »

Cons of 120's:
Low static pressure (no issue here)
BIG

Pros of 120's
Move large amounts of air
Usually quiet (Check out the evercool aluminum 120)

Cons of 80's
High CFM 80's are LOUD (Can u say delta?)
Move little air

Pros of 80's
Fit almost anywhere
Popular

If you can get 120mm fans in your case, DO IT!!! They push a lot of air and are very QUIET (usually).

BTW, Why do u want a new case? Go out and buy a dremel and cut some 120mm holes. Now you can mount your 120's in your EXISTING case.
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Cranberry

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120mm or 80mm?
« Reply #6 on: May 19, 2004, 08:55:38 PM »

if you cant fit a 120 dont forget 92mm too....
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computerfreke911

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120mm or 80mm?
« Reply #7 on: May 21, 2004, 01:56:48 AM »

Great, another old thread.
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chaos731

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120mm or 80mm?
« Reply #8 on: May 21, 2004, 11:29:42 AM »

Quote from: computerfreke911
I just ordred an ALX-800 from them and they charged me $999.00 for shipping, but that isn't a pain to fix.


Holy smokes! $999.00 for shipping?
 :D

Yes...120mm, if you can fit it, is generally the quieter and more efficient option.
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